Cutting Groove In Concrete Floor

Turn on the saw blade and.

Cutting groove in concrete floor.

Snap a chalk line over the concrete where you want the center of the drainage groove. How to cut a shallow channel into a concrete floor. Most residential concrete floors are about 4 inches thick and contain steel reinforcement in the form of steel rebar and steel mesh. Forget about circular saws concrete blades and jackhammers.

Fill the groove with a good quality concrete caulk and slide a piece of vinyl flashing into the groove. Cut two parallel grooves about an inch deep cutting the groove too deep may weaken the concrete then use an impact hammer with a chisel blade to chisel our the area between the two grooves. How to cut drain grooves in concrete. A circular saw with a masonry blade can also be used to either score or completely cut through the block.

It will be challenging to make the bottom of the groove smooth. Score the length of the cut three or four times with the chisel. This will make a 1 8 groove. Don safety glasses hearing protection and steel toed boots for protection.

Don t force a blade into a cut. Locate the area of the concrete floor where you would like to cut the channel. Patience and careful chiseling will be required. Therefore the timing of saw cuts is critical.

Measure to the left and to the right of the chalk. Place the tip of a walk behind concrete saw blade over the center of one line. Check to make sure there are no electrical or plumbing lines. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.

Groove cutting is cutting the laid concrete providing grooves of size 5mm wide and one third of the thickness of the concrete or as required at site within 48 hours of laying of the concrete to form bays of 4mtrs x 4mtrs using heavy duty cutting machine with diamond cutting wheel and filling of the grooves with appropriate sealant. Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage.